Abstract
The existing early-warning system in metro construction are generally based on traditional single-sensor data and simple analytic model, which makes it difficult to deal with the complex and comprehensive environment in metro construction. In this paper, the framework of early-warning threshold for metro construction collapse risk based on D-S evidence theory and rough set is built. By combining the primary data fusion collected based on rough set with the secondary data fusion which is based on D-S evidence theory, the integration of multiple information in metro construction is realized and the risk assessment methods are optimized. A case trial based on Hangzhou metro construction collapse accident is also carried out to exemplify the framework. The empirical analysis guarantees the completeness and independence of the prediction information, and realizes the dynamic prediction of the variation trend of metro construction collapse risk.
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Foundation item: Supported by the National Natural Science Foundation of China (71603284) and the Humanity and Social Science Research Foundation of Ministry of Education ( 16YJC630068)
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Xie, Y., Liu, J. Analysis of early-warning threshold for metro construction collapse risk based on D-S evidence theory and rough set. Wuhan Univ. J. Nat. Sci. 22, 510–516 (2017). https://doi.org/10.1007/s11859-017-1281-y
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DOI: https://doi.org/10.1007/s11859-017-1281-y